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Official 2016 Paper 1 · Q2

Paper 1Algebra

The expression 3x3+13x2+8x+a3x^3+13x^2+8x+a, where aa is a constant, has (x+2)(x+2) as a factor.

Which one of the following is a complete factorisation of the expression?

A(x+2)(x−1)(3x−2)(x+2)(x-1)(3x-2)
B(x+2)(x+1)(3x−2)(x+2)(x+1)(3x-2)
C(x+2)(x+1)(3x+2)(x+2)(x+1)(3x+2)
D(x+2)(x−3)(3x+2)(x+2)(x-3)(3x+2)
E(x+2)(x+3)(3x−2)(x+2)(x+3)(3x-2)
F(x+2)(x+3)(3x+2)(x+2)(x+3)(3x+2)

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